CN207603246U - It is a kind of can high-power operation power battery equalizing circuit - Google Patents
It is a kind of can high-power operation power battery equalizing circuit Download PDFInfo
- Publication number
- CN207603246U CN207603246U CN201721450639.5U CN201721450639U CN207603246U CN 207603246 U CN207603246 U CN 207603246U CN 201721450639 U CN201721450639 U CN 201721450639U CN 207603246 U CN207603246 U CN 207603246U
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- China
- Prior art keywords
- bms
- plate
- battery
- electrically connected
- resistance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses it is a kind of can high-power operation power battery equalizing circuit, including BMS mainboards and battery pack, the BMS mainboards communication link is connected to several BMS from plate, and BMS is connected with BMS balanced devices outside plate from board communications；Battery core is electrically connected with BMS from plate.Further, BMS mainboards are communicated to connect with several BMS from plate by CAN bus.Further, BMS includes chip from plate, and BMS balanced devices outside plate include several resistance, include several battery cores in the battery pack.Further, one end of the battery core is electrically connected with one end of the chip and the resistance, and the other end of the battery core is electrically connected with the one end switched, and the other end of the other end of the resistance and the switch is electrically connected with the chip.The beneficial effects of the utility model：Monomer voltage information and control switching device are still acquired from plate；But load resistance and switching device are arranged independently of from plate, while special fire proofing and arrangement radiator can be used, and then reduce fire risk.
Description
Technical field
The utility model is related to new energy sources for automobile technical field, it particularly relates to a kind of battery balanced electricity of pure electric vehicle
It realizes on road.
Background technology
The development prospect of new-energy automobile is wide, will necessarily become the main traffic trip tool of future world.New energy
One of main path for the problems such as automobile is widely regarded as solving automobile exhaust pollution and short petroleum-based energy, with new energy
The technology of automobile improves, and market is popularized and fast development, the properties of product, reliability, safety of its key components and parts are also carried
Go out increasingly higher demands.
As New-energy electric vehicle core component, power battery is responsible for the energy of automobile for power battery and battery management system
Amount supply and store, the consistent performance of monomer directly affect electric vehicle service life and and single charge/discharge electricity amount, and then
Influence continual mileage；The mating battery management system with power battery（Generally using distributed structure, by a master control borad and
It is multiple to be formed from control plate）The complicated charge and discharge process of power battery is controlled, while can battery core be carried out by equalizing circuit
Equilibrium, so as to pro-active intervention due to the factors such as producing, using caused by consistency difference problem；Increase power battery uses the longevity
Life, while reach expected continual mileage.
Current main-stream technical solution is using passive balanced, from plate circuit arrangement discharge resistance and switching device on hardware,
Proper moment carries out the switch of switching device on software；If scheme power in this way is higher, resistance temperature rise it is too fast easily lead to from
Plate catches fire, therefore shortcoming is mainly that balanced power is not high, ineffective.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the above-mentioned technical problem in the relevant technologies, the utility model proposes it is a kind of can high-power operation power battery
Equalizing circuit can improve the service life of power battery.
To realize the above-mentioned technical purpose, the technical solution of the utility model is realized in：
It is a kind of can high-power operation power battery equalizing circuit, including BMS mainboards and battery pack, the BMS mainboards lead to
Letter is connected with several BMS from plate, and the BMS is connected with BMS balanced devices outside plate from board communications；The battery core and the BMS from
Plate is electrically connected.
Further, the BMS mainboards are communicated to connect with several BMS from plate by CAN bus.
Further, the BMS includes chip from plate, and BMS balanced devices outside plate include several resistance, the battery
Include several battery cores in packet.
Further, one end of the battery core is electrically connected with one end of the chip and the resistance, the battery core it is another
One end is electrically connected with the one end switched, and the other end of the other end of the resistance and the switch is electrically connected with the chip.
The beneficial effects of the utility model：Monomer voltage information and control switching device are still acquired from plate；But load electricity
Resistance and switching device are arranged independently of from plate, while special fire proofing and arrangement radiator can be used, and then reduce
Windburn danger.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 be according to described in the utility model embodiment it is a kind of can the power battery equalizing circuit of high-power operation show
It is intended to；
In figure：
1-BMS mainboards；2-CAN buses；3-BMS is from plate；4-BMS balanced devices outside plate；5- battery packs；6- battery cores.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art's all other embodiments obtained all belong to
In the range of the utility model protection.
As shown in Figure 1, according to the utility model embodiment it is a kind of can high-power operation the balanced electricity of power battery
Road, including BMS mainboards 1 and battery pack 5,1 communication link of BMS mainboards is connected to several BMS from plate 3, and the BMS communicates from plate 3
It is connected with BMS balanced device 4 outside plate；The battery pack 5 is electrically connected with the BMS from plate 3.
Further, the BMS mainboards 1 are communicated to connect with several BMS from plate 3 by CAN bus 2.
Further, the BMS includes chip from plate, and BMS balanced devices 4 outside plate include several resistance R, the electricity
Include several battery cores 6 in pond packet 5.
Further, one end of the battery core 6 is electrically connected with one end of the chip and the resistance R, the battery core 6
The other end is electrically connected with the one end switched, and the other end of the resistance R and the other end of the switch are electrically connected with the chip
It connects.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, according to it is described in the utility model it is a kind of can high-power operation power battery equalizing circuit,
The equalizing circuit is made of discharge load resistance, switching device and control chip, after the switching device and discharge load series connection,
The both ends of the series circuit formed are connected to the anode and cathode of the single battery core.Control unit is according to pre-setting
The instruction that is sent out of control strategy, according to certain logical order, switching device is opened or closed.
In conclusion by means of the above-mentioned technical proposal of the utility model, monomer voltage information and control are still acquired from plate
Switching device processed；But load resistance and switching device are arranged independently of from plate, while special fire proofing and arrangement can be used
Radiator, and then reduce fire risk.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (4)
1. it is a kind of can high-power operation power battery equalizing circuit, including BMS mainboards（1）And battery pack（5）, feature exists
In the BMS mainboards（1）Several BMS are connected with from plate（3）, the BMS is from plate（3）It is connected with BMS balanced devices outside plate（4）；
The battery pack（5）With the BMS from plate（3）Electrical connection.
2. the power battery equalizing circuit of high-power operation according to claim 1, which is characterized in that the BMS mainboards
（1）With several BMS from plate（3）Pass through CAN bus（2）Connection.
3. the power battery equalizing circuit of high-power operation according to claim 1, which is characterized in that the BMS is from plate
（3）Including chip, BMS balanced devices outside plate（4）Including several resistance R, the battery pack（5）It is interior including several battery cores
（6）.
4. the power battery equalizing circuit of high-power operation according to claim 3, which is characterized in that the battery core（6）
One end be electrically connected with one end of the chip and the resistance R, the battery core（6）The other end and switch one end be electrically connected
It connects, the other end of the resistance R and the other end of the switch are electrically connected with the chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450639.5U CN207603246U (en) | 2017-11-03 | 2017-11-03 | It is a kind of can high-power operation power battery equalizing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450639.5U CN207603246U (en) | 2017-11-03 | 2017-11-03 | It is a kind of can high-power operation power battery equalizing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603246U true CN207603246U (en) | 2018-07-10 |
Family
ID=62758712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721450639.5U Expired - Fee Related CN207603246U (en) | 2017-11-03 | 2017-11-03 | It is a kind of can high-power operation power battery equalizing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603246U (en) |
-
2017
- 2017-11-03 CN CN201721450639.5U patent/CN207603246U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210616 Address after: 071000 No.1 new energy plant, 2899 Xiangyang North Street, Baoding City, Hebei Province Patentee after: Hebei Baochi New Energy Technology Co.,Ltd. Address before: 073000 Dingzhou Economic Development Zone, Baoding City, Hebei Province Patentee before: DINGZHOU NEW ENERGY AUTOMOBILE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20211103 |